The effectiveness of this Blanc de Perle <b>night gel-cream</b> by <b>Guerlain</b> is derived from Melanin Control Technology combined for the first time with a biological plant-based antioxidant to combat the oxidating stresses of the night which trigger melanin production. Night after night, dark spots fade and the skin, deeply hydrated and rested, glows with the intense radiance of a pearl. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;